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303 Protectant acts as a beautifying liquid sunscreen for fiberglass, vinyl, rubber, plastics, and sailcloth. Immediately restores original color and gloss to faded fiberglass without buffing! Keeps fiberglass looking showroom-new with periodic spray on/wipe off applications, usually every 45 to 60 days of exposure. 303 is not oily or greasy, will not wash off, and does not attract dust. Ships ground only.

Im not sure how but this stuff will bring back a shine on even heavy oxidation. My 97 Glasstron has a section of heavily oxidized fiberglass that now looks like a fresh wax was...Read complete review

Im not sure how but this stuff will bring back a shine on even heavy oxidation. My 97 Glasstron has a section of heavily oxidized fiberglass that now looks like a fresh wax was applied. Takes about 5 minutes to do the entire exterior, spray on/wipe off.

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Most Liked Negative Review

Don't use as a water repellant!

I mistakenly bought this product to apply to my boat cover. I usually purchase 303 Fabric Guard which works great. But this stuff was on sale so I thought I would give it a...Read complete review

I mistakenly bought this product to apply to my boat cover. I usually purchase 303 Fabric Guard which works great. But this stuff was on sale so I thought I would give it a try. I actually witnessed it washing off the cover the first time it got rained on. My mistake.

I had recently cleaned the seats on my pontoon boat for the season. I saw this product as being a UV protectant. Thought i'd try it. What i thought was clean seats, came even cleaner! What a plus! This product is effortless to use and doesn't leave an oily residue like alot of products.

This is a new product to me. I boat in the rivers, and I have used a lot of products to keep the hull and top side protected. I do not pull this boat except for mid-summer touch up. This product went on with amazing ease. It brighten my fiberglass as described, and so far has been easy to clean. I do a swim around the boat to clean the hull thru the summer. It will be of interest to see how this product holds up. So far, so good